button.btn {
    width: 100%;
    border: 0;
    outline: 0;
}

.btn {
    margin-bottom: 15px;
}

.btn_primary {
    background-color: #04be02;
}

.btn {
    display: block;
    margin-left: auto;
    margin-right: auto;
    padding-left: 14px;
    padding-right: 14px;
    font-size: 18px;
    text-align: center;
    text-decoration: none;
    overflow: visible;
    height: 42px;
    border-radius: 5px;
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    color: #ffffff;
    line-height: 42px;
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
}